blob: 4953aa0eb2062f64a1d74126b01bb5ece9a5ce75 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLGRAPHICSFLICKABLE_P_H
#define QMLGRAPHICSFLICKABLE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qdatetime.h"
#include <private/qmlgraphicsflickable_p.h>
#include <private/qmlgraphicsitem_p.h>
#include "qml.h"
#include <private/qmltimeline_p_p.h>
#include <private/qmlanimation_p_p.h>
QT_BEGIN_NAMESPACE
class QmlGraphicsFlickableVisibleArea;
class QmlGraphicsFlickablePrivate : public QmlGraphicsItemPrivate
{
Q_DECLARE_PUBLIC(QmlGraphicsFlickable)
public:
QmlGraphicsFlickablePrivate();
void init();
virtual void flickX(qreal velocity);
virtual void flickY(qreal velocity);
virtual void fixupX();
virtual void fixupY();
void updateBeginningEnd();
void captureDelayedPress(QGraphicsSceneMouseEvent *event);
void clearDelayedPress();
public:
QmlGraphicsItem *viewport;
QmlTimeLineValueProxy<QmlGraphicsItem> _moveX;
QmlTimeLineValueProxy<QmlGraphicsItem> _moveY;
QmlTimeLine timeline;
qreal vWidth;
qreal vHeight;
bool overShoot : 1;
bool flicked : 1;
bool moving : 1;
bool stealMouse : 1;
bool pressed : 1;
bool atXEnd : 1;
bool atXBeginning : 1;
bool atYEnd : 1;
bool atYBeginning : 1;
bool interactive : 1;
QTime lastPosTime;
QPointF lastPos;
QPointF pressPos;
qreal pressX;
qreal pressY;
qreal velocityX;
qreal velocityY;
QTime pressTime;
QmlTimeLineEvent fixupXEvent;
QmlTimeLineEvent fixupYEvent;
qreal deceleration;
qreal maxVelocity;
QTime velocityTime;
QPointF lastFlickablePosition;
qreal reportedVelocitySmoothing;
qreal flickTargetX;
qreal flickTargetY;
QGraphicsSceneMouseEvent *delayedPressEvent;
QGraphicsItem *delayedPressTarget;
QBasicTimer delayedPressTimer;
int pressDelay;
void updateVelocity();
struct Velocity : public QmlTimeLineValue
{
Velocity(QmlGraphicsFlickablePrivate *p)
: parent(p) {}
virtual void setValue(qreal v) {
QmlTimeLineValue::setValue(v);
parent->updateVelocity();
}
QmlGraphicsFlickablePrivate *parent;
};
Velocity horizontalVelocity;
Velocity verticalVelocity;
int vTime;
QmlTimeLine velocityTimeline;
QmlGraphicsFlickableVisibleArea *visibleArea;
QmlGraphicsFlickable::FlickDirection flickDirection;
void handleMousePressEvent(QGraphicsSceneMouseEvent *);
void handleMouseMoveEvent(QGraphicsSceneMouseEvent *);
void handleMouseReleaseEvent(QGraphicsSceneMouseEvent *);
// flickableData property
void data_removeAt(int);
int data_count() const;
void data_append(QObject *);
void data_insert(int, QObject *);
QObject *data_at(int) const;
void data_clear();
friend class QmlGraphicsFlickableVisibleArea;
QML_DECLARE_LIST_PROXY(QmlGraphicsFlickablePrivate, QObject *, data)
};
QT_END_NAMESPACE
#endif
|
